Reference
Markdown exportBT-134 Invoice line period start date
The date when the period for the invoice line starts.
Quick answer
Line items
The goods or services on each invoice line, including quantities, prices, and VAT.
Quick actions
In plain language
Used for services or subscriptions with specific billing periods.
What you usually enter here
ISO 8601 date format (YYYY-MM-DD)
Typical valid values include: 2024-01-01, 2024-03-15, 2024-12-31
Optional according to EN 16931-1.
Where the field sits
- Invoice
- cac:InvoiceLine
- cac:InvoicePeriod
- cbc:StartDateBT-134
- rsm:CrossIndustryInvoice
- rsm:SupplyChainTradeTransaction
- ram:IncludedSupplyChainTradeLineItem
- ram:SpecifiedLineTradeSettlement
- ram:BillingSpecifiedPeriod
- ram:StartDateTime
- udt:DateTimeStringBT-134
What goes wrong often
Avoid values like: 01.01.2024, 2024/01/01, 2024-13-01
Valid Examples
- 2024-01-01
- 2024-03-15
- 2024-12-31
Invalid Examples
- 01.01.2024
- 2024/01/01
- 2024-13-01
XML mapping and field facts
Open the technical reference if you need XML paths, validator rule codes, legal wording, or schema-specific mapping details.
Field ID:
BT-134
Data Type:
date
Cardinality:
0..1
Requirement:
Optional
XML Implementation
/Invoice/cac:InvoiceLine/cac:InvoicePeriod/cbc:StartDate/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement/ram:BillingSpecifiedPeriod/ram:StartDateTime/udt:DateTimeStringNext step
Create an XRechnung from your PDF
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